package cn.tedu.egweibo3.controller;

import cn.tedu.egweibo3.base.response.JsonResult;
import cn.tedu.egweibo3.base.response.StatusCode;
import cn.tedu.egweibo3.mapper.UserMapper;
import cn.tedu.egweibo3.pojo.dto.UserLoginDTO;
import cn.tedu.egweibo3.pojo.dto.UserRegDTO;
import cn.tedu.egweibo3.pojo.entity.User;
import cn.tedu.egweibo3.pojo.vo.UserVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;

import javax.servlet.http.HttpSession;
import java.util.Date;

@Slf4j
@Api(tags = "用户模块")
@RestController
@RequestMapping("/v1/users/")
public class UserController {
    @Autowired
    private UserMapper userMapper;
    @ApiOperation("注册功能")
    @PostMapping("reg")
    public JsonResult reg(@RequestBody @Validated UserRegDTO userRegDTO){
        log.debug("userRegDTO="+userRegDTO);
        String username= userRegDTO.getUsername();
        UserVO userVO = userMapper.selectByUser(username);
        log.debug("userVO="+userVO);
        if(userVO!=null){
            return new JsonResult(StatusCode.USERNAME_ALREADY_EXISTS);
        }
        User user= new User();
        BeanUtils.copyProperties(userRegDTO,user);
        user.setCreated(new Date());
        userMapper.insert(user);
        return JsonResult.ok();
    }
    @ApiOperation("登录功能")
    @PostMapping("login")
    public JsonResult login(@RequestBody @Validated UserLoginDTO userLoginDTO,@ApiIgnore HttpSession session){
        log.debug("userLoginDTO="+userLoginDTO);
        String username = userLoginDTO.getUsername();
        String password = userLoginDTO.getPassword();
        UserVO userVO = userMapper.selectLogin(username, password);
        log.debug("userVO="+userVO);
        if (userVO==null){
            return new JsonResult(StatusCode.USERNAME_ERROR);
        }
        session.setAttribute("user",userVO);
        return new JsonResult(StatusCode.LOGIN_SUCCESS);
    }
    @ApiOperation("获取用户登录信息")
    @GetMapping("currentUser")
    public JsonResult currentUser(@ApiIgnore HttpSession session){
        UserVO userVO = (UserVO)session.getAttribute("user");
        return JsonResult.ok(userVO);
    }
    @ApiOperation("退出登录")
    @GetMapping("logout")
    public void logout(@ApiIgnore HttpSession session){
        session.removeAttribute("user");
    }
}
